TTL, Inc.
Decatur,
Alabama
View Accreditation Certificate
Bailey
Herfurth
229 Grant Street SE
Decatur
,
Alabama
35601
Phone: (256) 701-3479
Fax:
bailey.herfurth@ttlusa.com
http://www.ttlusa.com
Quality Management System - accredited since 6/28/2013
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 4/8/2016
T166 (Cores), D1188 (Cores), D2726 (Cores), D2950
Soil - accredited since 6/28/2013
R58, T89, T90, T99, T180, T265, T310, D421, D698, D1556, D1557, D2216, D4318, D6938
Aggregate - accredited since 6/28/2013
R76, R90, T11, T21, T27, T84, T85, C40, C117, C127, C128, C136, C702, D75
Concrete - accredited since 12/2/2013
M201, R60, R100 (Cylinders), T22, T119, T121, T152, T231 (7000 psi and below), T309, C31 (Cylinders), C39, C138, C143, C172, C231, C511, C617 (7000 psi and below), C1064, C1231 (6000 psi and below)
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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